Sunday, August 8, 2010

WATCHES: Severe Thunderstorm Watch Number 592

WWUS20 KWNS 090009
SEL2
SPC WW 090009
IAZ000-NEZ000-090700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 592
NWS STORM PREDICTION CENTER NORMAN OK
705 PM CDT SUN AUG 8 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

WESTERN...CENTRAL...AND NORTHERN IOWA
EASTERN NEBRASKA

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 705 PM UNTIL
200 AM CDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES NORTH OF
GRAND ISLAND NEBRASKA TO 65 MILES SOUTHEAST OF MASON CITY IOWA.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 587...WW 588...WW
589...WW 590...WW 591...

DISCUSSION...COMPLEX MCS HAS EVOLVED OVER NE NEB THIS EVE. AREA
WIND AND THERMODYNAMIC FIELDS SUGGEST THAT NORTHERN PART OF SYSTEM
SHOULD TRACK MAINLY ESE ACROSS IA TOWARD I-35...WHILE WRN/SRN PART
OF MCS TURNS MORE TO THE RIGHT AND TRACKS SE INVOF THE MO RVR VLY AS
LLJ VEERS AND STRENGTHENS LATER THIS EVE. DEEP SHEAR IS
MODEST...AND UPR LVL FORCING FOR ASCENT APPEARS NEGLIGIBLE. BUT
COMBINATION OF STRONG INSTABILITY/RICH MOISTURE AND STEEP LOW LVL
LAPSE RATES SUGGEST A CONTINUED RISK FOR DMGG WIND AND POSSIBLY SVR
HAIL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 29025.


...CORFIDI

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KCHS [090007]: Preliminary Local Storm Report

NWUS52 KCHS 090007
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
807 PM EDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0800 PM RIP CURRENTS TYBEE ISLAND 32.02N 80.86W
08/08/2010 CHATHAM GA FIRE DEPT/RESCUE

THE TYBEE ISLAND LIFEGUARD GROUP REPORTS 12 RESCUES AND
14 ASSISTS DUE TO STRONG RIP CURRENTS THIS EVENING.
NUMEROUS STRONG AND PERSISTENT RIP CURRENTS CONTINUE.


&&

$$

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KBMX [090004]: Preliminary Local Storm Report

NWUS54 KBMX 090004
LSRBMX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
704 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0600 PM HEAVY RAIN FORT DEPOSIT 31.99N 86.58W
08/08/2010 E2.10 INCH LOWNDES AL EMERGENCY MNGR

HEAVY RAIN AROUND 2 INCHES IN AN HOUR PRODUCED MINOR
FLOODING ON COUNTY ROAD 37 NEAR FORT DEPOSIT. A
CONSTRUCTION ZONE WITH POOR DRAINAGE FLOODED AND THE ROAD
WILL BE CLOSED.


&&

$$

LINHARES

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KBMX [090001]: Preliminary Local Storm Report

NWUS54 KBMX 090001
LSRBMX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
701 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0554 PM TSTM WND DMG 4 NW FORT DEPOSIT 32.03N 86.62W
08/08/2010 LOWNDES AL EMERGENCY MNGR

A FEW TREES WERE BLOWN DOWN ALONG COUNTY ROAD 45 BETWEEN
FORT DEPOSIT AND MOUNT WILLING.


&&

$$

LINHARES

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KBYZ [082349]: Preliminary Local Storm Report

NWUS55 KBYZ 082349
LSRBYZ

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BILLINGS MT
549 PM MDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0525 PM TSTM WND GST 6 ENE LIVINGSTON 45.70N 110.45W
08/08/2010 M63 MPH PARK MT ASOS

LIVINGSTON ASOS.


&&

$$

SOLUM

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KTFX [082349]: Preliminary Local Storm Report

NWUS55 KTFX 082349
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
548 PM MDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0458 PM TSTM WND GST 1 NE BELGRADE 45.79N 111.16W
08/08/2010 M50 MPH GALLATIN MT ASOS

50 MPH WIND GUST MEASURED AT BOZEMAN/BELGRADE ASOS.


&&

$$

HOENISCH

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KOAX [082347]: Preliminary Local Storm Report

NWUS53 KOAX 082347
LSROAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
647 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0645 PM HEAVY RAIN BLOOMFIELD 42.60N 97.65W
08/08/2010 M1.23 INCH KNOX NE CO-OP OBSERVER

RAIN IN THE PAST 3 HOURS


&&

$$

MILLER

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KCHS [082342]: Preliminary Local Storm Report

NWUS52 KCHS 082342
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
742 PM EDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0737 PM HIGH ASTR TIDES FRIPP ISLAND 32.32N 80.48W
08/08/2010 BEAUFORT SC COUNTY OFFICIAL

THE PUBLIC REPORTS SALT WATER COVERING PARTS OF TARPON

BOULEVARD ON FRIPP ISLAND. WATER LEVELS ARE STILL RISING.


&&

$$

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KMPX [082341]: Preliminary Local Storm Report

NWUS53 KMPX 082341
LSRMPX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
641 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0630 PM FUNNEL CLOUD MONTROSE 45.07N 93.91W
08/08/2010 WRIGHT MN TRAINED SPOTTER

HAS GONE UP AND DOWN.


&&

$$

KME

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KOAX [082339]: Preliminary Local Storm Report

NWUS53 KOAX 082339
LSROAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
639 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0630 PM TSTM WND GST 8 N MEADOW GROVE 42.15N 97.74W
08/08/2010 E60 MPH PIERCE NE PUBLIC


&&

$$

VDEWALD

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KFSD [082339]: Preliminary Local Storm Report

NWUS53 KFSD 082339
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
638 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0625 PM TSTM WND GST 6 N DIXON 42.50N 96.99W
08/08/2010 E60 MPH DIXON NE TRAINED SPOTTER

BRANCHES DOWN


&&

$$

LAFLIN

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WATCHES: Severe Thunderstorm Watch Number 591

WWUS20 KWNS 082333
SEL1
SPC WW 082333
MNZ000-WIZ000-090700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 591
NWS STORM PREDICTION CENTER NORMAN OK
630 PM CDT SUN AUG 8 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

SOUTHERN MINNESOTA
WEST CENTRAL AND NORTHWEST WISCONSIN

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 630 PM UNTIL
200 AM CDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES NORTH
NORTHWEST OF REDWOOD FALLS MINNESOTA TO 55 MILES EAST OF EAU
CLAIRE WISCONSIN. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 587...WW 588...WW
589...WW 590...

DISCUSSION...TSTMS HAVE FORMED RECENTLY ALONG WEAK W/E BOUNDARY N OF
THE MSP AREA. OTHER STORMS HAVE AT THE SAME TIME DEVELOPED IN AREA
OF ELEVATED INSTABILITY IN SW MN. ALL OF THE ACTIVITY LIKELY IS
BEING ENHANCED BY PASSING UPR LVL IMPULSE /PER WATER VAPOR
IMAGERY/... AND...IN ERN MN...BY SFC HEATING. LOW LVL WINDS ARE
EXPECTED TO REMAIN WEAK/DISORGANIZED. BUT PRESENCE OF HI PW WITH
MODERATE TO SEASONABLY STRONG DEEP WNWLY SHEAR /PER VWP AND PROFILER
DATA/ MAY SUPPORT ESE-PROPAGATING BOWING SEGMENTS WITH LOCALLY DMGG
WIND.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 29025.


...CORFIDI

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DAY1SVR: Day 1 Convective Outlook Amend 1

ACUS01 KWNS 082334
SWODY1
SPC AC 082332

DAY 1 CONVECTIVE OUTLOOK AMEND 1
NWS STORM PREDICTION CENTER NORMAN OK
0632 PM CDT SUN AUG 08 2010

VALID 082330Z - 091200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE CENTRAL PLAINS TO
UPPER MS VALLEY...

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF ERN NV/WRN UT
AND NWRN AZ...

AMENDED FOR EXTENSION OF SLIGHT INTO NRN KS AS WELL AS INTO WRN WI

...NRN KS/WI...
THE SLIGHT RISK HAS BEEN EXTENDED INTO NRN KS TO ACCOUNT FOR
ACTIVITY CURRENTLY IN SEVERE THUNDERSTORM WATCH 590. THIS ACTIVITY
MAY PERSIST AS IT MOVES SLOWLY E WITH A THREAT OF WIND AND HAIL.

FARTHER N INTO WI...VIGOROUS ACTIVITY NOW EXTENDING FROM CNTRL MN
SWWD INTO NEB WILL CONTINUE EWD WITH A THREAT OF SEVERE WIND AND
HAIL.

...ERN NV/WRN UT/NWRN AZ...
A SLIGHT RISK ACROSS THIS REGION HAS BEEN EXPANDED SWD INTO PARTS OF
SWRN NV AND NWRN AZ. VISIBLE SATELLITE IMAGERY INDICATED MOSTLY
CLEAR SKIES HAVE DEVELOPED ACROSS MUCH OF THIS REGION WHERE CLOUDS
WERE LOCATED EARLIER TODAY. CONTINUED SURFACE HEATING ACROSS THIS
REGION COUPLED WITH COOLING MIDLEVEL TEMPERATURES/STEEPENING LAPSE
RATES SPREADING NE WITH ATTENDANT SHORTWAVE TROUGH THROUGH THE LOWER
CO VALLEY TO GREAT BASIN WILL RESULT IN FURTHER DESTABILIZATION.
DEEP LAYER SLY WIND FIELDS/EFFECTIVE BULK SHEAR AROUND 30 KT SUGGEST
MULTICELLS/LINE SEGMENTS WILL BE LIKELY. IN ADDITION TO STRONG WIND
GUSTS AS FORECAST IN THE PREVIOUS OUTLOOK...15 PERCENT HAIL
PROBABILITY HAS BEEN ADDED TO THE SRN TWO-THIRDS OF THE SLIGHT RISK
AREA. GIVEN STEEP LAPSE RATES...MODERATE INSTABILITY AND 500 MB
TEMPERATURES AOB -12 C...ORGANIZED STORMS WILL POSE A THREAT FOR
HAIL. STORMS IN FAR NWRN AZ/SWRN UT MAY PRODUCE A FEW HAIL EVENTS
POTENTIALLY APPROACHING A DIAMETER OF 2 INCHES GIVEN THE
AFOREMENTIONED FAVORABLE THERMODYNAMICS COMBINED WITH STRONGER SHEAR
SUPPORTING SUPERCELLS. OTHERWISE...THE FORECAST REMAINS THE SAME
WITH STORMS POTENTIALLY IMPACTING THE GSL AREA BY THIS EVENING.

...CENTRAL PLAINS TO UPPER MS VALLEY...
SLIGHT RISK HAS BEEN EXPANDED NWD INTO THE TWIN CITIES METRO AREA
GIVEN THAT A WARM FRONT HAS MOVED JUST N OF THIS REGION...WITH
STRONG SURFACE HEATING CONTRIBUTING TO VERY STRONG INSTABILITY.
THIS COMBINED WITH 40-50 KT OF EFFECTIVE SHEAR SUGGEST ANY STORMS
THAT CAN DEVELOP AND/OR MOVE THROUGH THIS ENVIRONMENT WILL POSE A
SEVERE WEATHER THREAT. RECENT STRONG TO SEVERE TSTM DEVELOPMENT WAS
OBSERVED OVER NORTH CENTRAL NEB...INVOF STRONGEST LOW LEVEL
CONVERGENCE JUST N OF A SURFACE LOW AND ALONG A BOUNDARY WHICH
EXTENDED EWD INTO NERN NEB TO CENTRAL IA. GIVEN VERY STRONG DEEP
LAYER SHEAR AND HIGH INSTABILITY...A THREAT EXISTS FOR SOME
SIGNIFICANT HAIL FROM NERN NEB/SERN SD INTO NWRN IA AND SWRN MN AND
10 PERCENT SIGNIFICANT HAIL PROBABILITY HAS BEEN ADDED TO THE
OUTLOOK. IN ADDITION...STRONGER LOW LEVEL SHEAR ALONG E-W SURFACE
BOUNDARY FROM NERN NEB INTO NWRN IA SUGGESTS POTENTIAL FOR A
TORNADO. THUS...5 PERCENT TORNADO PROBABILITY HAS BEEN ADDED TO THE
OUTLOOK.

..JEWELL.. 08/08/2010

.PREV DISCUSSION... /ISSUED 1122 AM CDT SUN AUG 08 2010/

...CENTRAL/UPPER MS VALLEY...
MAIN PLAYERS FOR SEVERE THUNDERSTORMS TODAY WILL BE THE DEVELOPMENT
OF AN EXTREMELY UNSTABLE AIRMASS AND ADEQUATE SHEAR FOR STORM
ORGANIZATION. FOCUS FOR INITIATION WILL BE THE SURFACE BOUNDARIES
AND WHERE THEY WILL BE LOCATED BY LATE THIS AFTERNOON WHEN
INITIATION IS MOST LIKELY.

OVERNIGHT MCS DECAYING CURRENTLY ACROSS SRN WI/NRN IL WITH A
TRAILING BOUNDARY WWD ACROSS SRN MN INTO A WEAK SURFACE LOW OVER
SERN SD. BY MID AFTERNOON AS TEMPS RISE THRU THE 90S COUPLED WITH
RICH PWAT TO 2 INCHES MLCAPES AOA 4000 J/KG WILL DEVELOP FROM SERN
SD/ERN NEB ACROSS IA/SRN MN.

WITH LITTLE AVAILABLE IN THE WAY OF UPPER SUPPORT...STORM INITIATION
WILL BE TIED TO WHERE THE CINH WEAKENS AND SURFACE CONVERGENCE WILL
BE LOCATED. ATTM BEST CONVERGENCE WOULD APPEAR TO BE JUST TO E OF
SURFACE LOW SD INTO SRN MN.

INITIAL STORMS LATE THIS AFTERNOON WILL POSE A RISK OF
BECOMING SUPERCELLULAR DUE TO STRONG EFFECTIVE SHEAR AND DEGREE OF
CAPE. LARGE HAIL AND DAMAGING WINDS APPEAR TO BE THE MAIN THREATS.
LATER TONIGHT...ACTIVITY MAY CONGEAL INTO A LARGER SCALE MCS/BOW AND
SPREAD EASTWARD INTO PARTS OF IA/WI/IL WITH A RISK OF DAMAGING
WINDS.

WILL MAINTAIN A RISK OF SEVERE WWD ACROSS NEB INTO NWRN KS GIVEN THE
STEEP LAPSE RATES AND CONVERGENCE VICINITY OF SURFACE TROUGH. WITH
DEEP LAYER SHEAR AROUND 30KT INITIAL PULSE ACTIVITY COULD FORM
CLUSTERS WITH ASSOCIATED WIND DAMAGE THREAT LATE THIS
AFTERNOON/EVENING.


...UT/NV...
THE UPPER LOW ALONG THE CENTRAL CA COAST WILL TRACK SLOWLY
EASTWARD AS ONE S/WV IMPULSE ROTATES NEWD ACROSS SRN NV INTO UT THIS
AFTERNOON AND EVENING. CURRENT OBSERVED CLOUD COVER MAY BE A PROBLEM
ACROSS THE RISK AREA...POTENTIALLY LIMITING DAYTIME HEATING AND LOW
LEVEL LAPSE RATES. HOWEVER HEATING COUPLED WITH COOLING MID LEVEL
TEMPERATURES SHOULD BE SUFFICIENT FOR AT LEAST ISOLATED
STRONG/SEVERE STORM DEVELOPING THIS AFTERNOON. THUNDERSTORMS WOULD
LIKELY DEVELOP FIRST ACROSS ERN NV/SWRN UT IN PROXIMITY TO THE S/WV
TROUGH WITH LOCALLY GUSTY/DAMAGING WINDS EXPECTED TO BE THE MAIN
THREAT. BY THIS EVENING STORMS COULD ALSO IMPACT FURTHER NE TO GSL
AREA.

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KCHS [082334]: Preliminary Local Storm Report

NWUS52 KCHS 082334
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
734 PM EDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0725 PM HIGH ASTR TIDES 2 NNW EDISTO BEACH 32.51N 80.33W
08/08/2010 COLLETON SC PUBLIC

THE PUBLIC REPORTED PORTIONS OF SCOTT CREEK ROAD IS
COVERED BY SALT WATER. THE ROAD IS PASSABLE.


&&

$$

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KDVN [082326]: Preliminary Local Storm Report

NWUS53 KDVN 082326
LSRDVN

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
626 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0624 PM HEAVY RAIN 1 WNW MORRISON 41.81N 89.98W
08/08/2010 M2.40 INCH WHITESIDE IL TRAINED SPOTTER

STORM TOTAL FROM THIS MORNING AND AFTERNOON...DELAYED
REPORT.


&&

$$

TG

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KREV [082325]: Preliminary Local Storm Report

NWUS55 KREV 082325
LSRREV

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
425 PM PDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0355 PM HAIL 2 SW SOUTH LAKE TAHOE 38.92N 120.01W
08/08/2010 M1.00 INCH EL DORADO CA TRAINED SPOTTER

A TRAINED WEATHER SPOTTER IN SOUTH LAKE TAHOE REPORTED
1-INCH DIAMETER HAIL

0358 PM HAIL 2 WSW SOUTH LAKE TAHOE 38.93N 120.01W
08/08/2010 M1.00 INCH EL DORADO CA TRAINED SPOTTER

IN SOUTH LAKE TAHOE A TRAINED WEATHER SPOTTER REPORTED
HEAVY RAIN AND 1-INCH DIAMETER HAIL.

0420 PM HAIL 3 SSW SOUTH LAKE TAHOE 38.90N 120.00W
08/08/2010 M1.00 INCH EL DORADO CA TRAINED SPOTTER

ONE INCH HAIL REPORTED AT SOUTH LAKE TAHOE. HAIL COVINGR
THE GROUND. HEAVY RAIN.

0420 PM FLASH FLOOD 3 SSW SOUTH LAKE TAHOE 38.90N 120.00W
08/08/2010 EL DORADO CA TRAINED SPOTTER

STREET FLOODING IN SOUTH LAKE TAHOE AT HIGHWAY 50 HEAR
THE Y.


&&

$$

HOON

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KOAX [082325]: Preliminary Local Storm Report...corrected

NWUS53 KOAX 082325
LSROAX

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
625 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0515 PM TSTM WND DMG 8 NNE CROFTON 42.84N 97.44W
08/08/2010 CEDAR NE EMERGENCY MNGR

TREES DOWN IN CAMPGROUND AREA JUST SOUTHEAST OF GAVINS
POINT DAM


&&

$$

MILLER

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KCHS [082323]: Preliminary Local Storm Report

NWUS52 KCHS 082323
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
723 PM EDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0720 PM HIGH ASTR TIDES CHARLESTON 32.78N 79.94W
08/08/2010 CHARLESTON SC COUNTY OFFICIAL

THE CHARLESTON HARBOR PILOT BOAT DISPATCHER REPORTS
MODERATE SALT WATER FLOODING OF THE PILOT BOAT PARKING
LOT IS OCCURRING.


&&

$$

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KOAX [082322]: Preliminary Local Storm Report

NWUS53 KOAX 082322
LSROAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
622 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0530 PM TSTM WND DMG 8 NNE CROFTON 42.84N 97.44W
08/08/2010 CEDAR NE EMERGENCY MNGR

TREES DOWN IN CAMPGROUND AREA JUST SOUTHEAST OF GAVINS
POINT DAM


&&

$$

MILLER

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KOAX [082313]: Preliminary Local Storm Report

NWUS53 KOAX 082313
LSROAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
613 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0613 PM HEAVY RAIN CROFTON 42.73N 97.50W
08/08/2010 M1.35 INCH KNOX NE TRAINED SPOTTER


&&

$$

VDEWALD

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KOAX [082308]: Preliminary Local Storm Report

NWUS53 KOAX 082308
LSROAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
608 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0601 PM TSTM WND GST OSMOND 42.36N 97.60W
08/08/2010 E60 MPH PIERCE NE LAW ENFORCEMENT


&&

$$

VDEWALD

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WATCHES: Severe Thunderstorm Watch Number 590

WWUS20 KWNS 082303
SEL0
SPC WW 082303
KSZ000-090300-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 590
NWS STORM PREDICTION CENTER NORMAN OK
605 PM CDT SUN AUG 8 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

NORTH CENTRAL KANSAS

EFFECTIVE THIS SUNDAY EVENING FROM 605 PM UNTIL 1000 PM CDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
STATUTE MILES EAST AND WEST OF A LINE FROM 85 MILES NORTH
NORTHEAST OF RUSSELL KANSAS TO 35 MILES WEST SOUTHWEST OF RUSSELL
KANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 587...WW 588...WW 589...

DISCUSSION...SMALL AREA OF LOW LVL CONVERGENCE NEAR INTERSECTION OF
DEEP EML PLUME WITH MORE MOIST BUT STILL STRONGLY-HEATED ENVIRONMENT
IN ERN KS MAY SUPPORT DEVELOPMENT OF A SMALL MCS. STORMS MAY
DEVELOP CAPABILITY FOR DMGG WIND GUSTS AND SVR HAIL GIVEN
THERMODYNAMIC ENVIRONMENT...DESPITE WEAK W TO WNWLY DEEP SHEAR.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 29020.


...CORFIDI

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MESO: Mesoscale Discussion 1618

ACUS11 KWNS 082259
SWOMCD
SPC MCD 082258
UTZ000-AZZ000-NVZ000-CAZ000-090000-

MESOSCALE DISCUSSION 1618
NWS STORM PREDICTION CENTER NORMAN OK
0558 PM CDT SUN AUG 08 2010

AREAS AFFECTED...SRN NV/NWRN AZ/SRN AND CNTRL UT

CONCERNING...SEVERE THUNDERSTORM WATCH 588...

VALID 082258Z - 090000Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 588
CONTINUES.

THE THREAT OF SEVERE THUNDERSTORMS PRIMARILY CAPABLE OF DMGG WINDS
CONTINUE ACROSS PORTIONS OF SRN NV...NWRN AZ...AND MUCH OF UT.

STORMS CONTINUE TO DEVELOP IN RESPONSE TO SUBTLE UPPER FORCING IN
ASSOCIATION WITH A WEAK VORT MAX NOW SEEN ON WV IMAGERY MOVING INTO
SRN CA/NV. A THERMAL TROUGH EXTENDS FROM THE SONORAN DESERT NWWD
INTO SAN JOAQUIN VALLEY...WITH ANOTHER PORTION EXTENDING NWD INTO
THE GREAT BASIN. THIS APPEARS TO BE THE FAVORED AREA OF SURFACE
CONVERGENCE AND INSTABILITY FOR THUNDERSTORM INITIATION AND
MAINTENANCE. ALTHOUGH SRN CA REMAINS DRIER...SELY LOW LEVEL FLOW
AROUND THE PERIPHERY OF A SURFACE HIGH OVER THE FOUR CORNERS REGION
HAS MAINTAINED GREATER MOISTURE ACROSS THE WW AREA...WHICH SHOULD BE
FAVORABLE FOR CONTINUED THUNDERSTORM DEVELOPMENT. SELY WINDS VEERING
TO SWLY ALOFT WILL SUPPORT OCCASIONAL/BRIEF STORM ROTATION WITH
STRONGER CORES...WITH DMGG WINDS AND ISOLATED HAIL POSSIBLE.

..HURLBUT.. 08/08/2010

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...GJT...FGZ...SLC...PSR...VEF...LKN...

LAT...LON 34321335 34251403 34911465 35921575 38121594 38061505
38671496 38671409 39901409 39821127 38521132 38500997
38160993 37141096 36951222 36971242 36531267 36011327
34321335

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KFSD [082253]: Preliminary Local Storm Report

NWUS53 KFSD 082253
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
553 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0552 PM FLASH FLOOD 2 ESE YANKTON 42.88N 97.36W
08/08/2010 YANKTON SD TRAINED SPOTTER

STREET FLOODING IN YANKTON AND DITCHES ARE FULL


&&

$$

LAFLIN

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KFSD [082251]: Preliminary Local Storm Report

NWUS53 KFSD 082251
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
551 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0550 PM TSTM WND GST 2 W IRENE 43.08N 97.20W
08/08/2010 M60 MPH YANKTON SD TRAINED SPOTTER


&&

$$

LIEBL

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KCHS [082251]: Preliminary Local Storm Report

NWUS52 KCHS 082251
LSRCHS

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
651 PM EDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0649 PM HIGH ASTR TIDES CHARLESTON 32.78N 79.94W
08/08/2010 CHARLESTON SC PUBLIC

THE PUBLIC REPORTED MINOR SALT WATER FLOODING IS
OCCURRING ALONG PARTS OF MARKET DISTRICT IN DOWNTOWN
CHARLESTON. WATER IS APPROACHING THE ENTRANCES OF SEVERAL
ESTABLISHMENTS NEAR THE CUSTOMS HOUSE.


&&

$$

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KSGF [082250]: Preliminary Local Storm Report

NWUS53 KSGF 082250
LSRSGF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
549 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0549 PM FLASH FLOOD SOUTH WEST CITY 36.51N 94.61W
08/08/2010 MCDONALD MO PUBLIC

EXCESSIVE RAINFALL WAS CAUSING FLOODING ON STREETS WITHIN
THE COMMUNITY OF SOUTH WEST CITY.


&&

$$

DCRAMER

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MESO: Mesoscale Discussion 1617

ACUS11 KWNS 082247
SWOMCD
SPC MCD 082247
IAZ000-MNZ000-NEZ000-SDZ000-KSZ000-082345-

MESOSCALE DISCUSSION 1617
NWS STORM PREDICTION CENTER NORMAN OK
0547 PM CDT SUN AUG 08 2010

AREAS AFFECTED...SE SD...ERN NEB...SRN MN...WRN IA...NCNTRL KS

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 082247Z - 082345Z

SMALL MCS CONTINUES TO EVOLVE ACROSS NERN NEB AND EXTREME SERN SD AT
2230Z. COMPLEX APPEARS TO BE ACQUIRING SOME SUB-SYNOPTIC
CIRCULATION AND THE MCV SHOULD TRACK EWD TOWARD NWRN IA THROUGH THE
NEXT FEW HOURS. PREFERENTIAL THUNDERSTORM DEVELOPMENT HAS BEEN
OCCURRING ALONG SWRN FLANK OF THE MCS INTO 3000+ J/KG MLCAPES AND
VERY STEEP LAPSE RATES. AS A RESULT...STORMS MAY BEGIN TO DEVELOP S
OF THE WATCHES INTO ECNTRL NEB WITH TIME THIS EVENING. LARGE HAIL
AND DAMAGING WIND GUSTS CAN BE EXPECTED. OTHERWISE...NRN PARTS OF
THE THUNDERSTORM COMPLEX WILL CONTINUE EWD INTO NWRN IA AND EXTREME
SRN MN THROUGH THE EVENING...ALONG PERIPHERY OF EXTREME INSTABILITY.

A SEPARATE WEATHER REGIME MAY YIELD A LINE OF HIGH-BASED STORMS
DEVELOPING NWD FROM CNTRL KS TOWARD SCNTRL NEB. HERE...A WEAK
SURFACE TROUGH AMIDST A DEEPLY MIXED BOUNDARY LAYER AND MLCAPES OF
2000+ J/KG WILL RESULT IN HIGH-BASED STORMS CAPABLE OF HAIL AND
DAMAGING WIND GUSTS.

AS A RESULT OF STORMS POSSIBLY BLEEDING OUT OF THE CURRENT WW/S INTO
ECNTRL NEB AND EVOLVING NWD OUT OF NCNTRL KS...A NEW WW OR LOCAL
EXTENSIONS MAY BE REQUIRED IN ERN NEB/WRN IA AND/OR CNTRL KS.

..RACY.. 08/08/2010

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MPX...DMX...FSD...OAX...TOP...ICT...GID...LBF...
DDC...GLD...

LAT...LON 43199916 44319323 42639322 41439497 40779662 39859762
38829825 38169888 38440025 39480013 41449955 41659951
43199916

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KFSD [082245]: Preliminary Local Storm Report

NWUS53 KFSD 082245
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
545 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0515 PM TSTM WND GST 5 WSW YANKTON 42.87N 97.49W
08/08/2010 E70 MPH YANKTON SD TRAINED SPOTTER

CAMPERS OVERTURNED AT LEWIS AND CLARK CAMPGROUND


&&

$$

LAFLIN

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KTFX [082244]: Preliminary Local Storm Report

NWUS55 KTFX 082244
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
444 PM MDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0418 PM TSTM WND GST 14 S HARLEM 48.33N 108.78W
08/08/2010 M53 MPH BLAINE MT MESONET

53 MPH WIND GUST MEASURED AT THE FORT BELKNAP RAWS.


&&

$$

HOENISCH

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KFSD [082243]: Preliminary Local Storm Report

NWUS53 KFSD 082243
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
541 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0535 PM TSTM WND GST YANKTON 42.89N 97.39W
08/08/2010 M58 MPH YANKTON SD ASOS


&&

$$

JM

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KOAX [082242]: Preliminary Local Storm Report

NWUS53 KOAX 082242
LSROAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
542 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0541 PM TSTM WND GST 2 W BLOOMFIELD 42.60N 97.69W
08/08/2010 E60 MPH KNOX NE PUBLIC

WINDS ESTIMATED AT 60 MPH. VERY HEAVY RAIN. NEAR ZERO
VISIBILITY.


&&

$$

MILLER

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KFSD [082228]: Preliminary Local Storm Report

NWUS53 KFSD 082228
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
528 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0526 PM FLASH FLOOD ENE AVON 43.01N 98.06W
08/08/2010 BON HOMME SD TRAINED SPOTTER

BACK YARD IS UNDER WATER


&&

$$

LAFLIN

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KFSD [082213]: Preliminary Local Storm Report

NWUS53 KFSD 082213
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
512 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0510 PM TSTM WND GST 5 W LESTERVILLE 43.04N 97.69W
08/08/2010 M72 MPH BON HOMME SD EMERGENCY MNGR


&&

$$

LIEBL

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KLIX [082211]: Preliminary Local Storm Report

NWUS54 KLIX 082211
LSRLIX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
511 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0505 PM WATER SPOUT GULFPORT 30.39N 89.07W
08/08/2010 HARRISON MS LAW ENFORCEMENT

WATERSPOUT REPORTED SEEN FROM INTERSECTION OF HIGHWAY 90
AND 41ST STREET IN GULFPORT.


&&

$$

PGRIGSBY

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KFSD [082203]: Preliminary Local Storm Report

NWUS53 KFSD 082203
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
502 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0500 PM TSTM WND GST 5 S AVON 42.93N 98.06W
08/08/2010 E60 MPH BON HOMME SD EMERGENCY MNGR


&&

$$

LIEBL

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KTFX [082202]: Preliminary Local Storm Report

NWUS55 KTFX 082202
LSRTFX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
401 PM MDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0343 PM TSTM WND GST 24 S VIRGINIA CITY 44.95N 111.94W
08/08/2010 E51 MPH MADISON MT MESONET

51 MPH WIND GUST REPORTED AT BURNT CREEK RAWS.


&&

$$

HOENISCH

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KLBF [082159]: Preliminary Local Storm Report...summary

NWUS53 KLBF 082159
LSRLBF

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE NORTH PLATTE NE
459 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0215 PM HAIL 9 NE NEWPORT 42.69N 99.20W
08/08/2010 M0.50 INCH HOLT NE PUBLIC

VERY HEAVY RAIN ALSO OCCURRING AT TIME OF REPORT.

0233 PM TSTM WND GST 5 NNE STUART 42.67N 99.10W
08/08/2010 M60.00 MPH HOLT NE PUBLIC

ESTIMATED 50 TO 60 MPH THUNDERSTORM WIND GUSTS...ALONG
WITH VERY HEAVY RAIN AND 1/2 INCH DIAMETER HAIL.

0241 PM HAIL STUART 42.60N 99.14W
08/08/2010 M1.75 INCH HOLT NE FIRE DEPT/RESCUE

0247 PM TSTM WND DMG 6 NE STUART 42.66N 99.06W
08/08/2010 HOLT NE PUBLIC

ESTIMATED 60 MPH WINDS OR HIGHER CAUSED 30 FOOT FLEXHEAD
TO BE PUSHED OVER AND LARGE DUMPSTER WAS MOVED OVER 100
FEET. HAIL TO THE SIZE OF QUARTERS WAS ALSO REPORTED.

0250 PM HAIL 4 NE STUART 42.64N 99.08W
08/08/2010 M2.00 INCH HOLT NE LAW ENFORCEMENT

TURKEY EGG SIZED HAIL BROKE OUT PICTURE WINDOWS OF HOME.


0250 PM TSTM WND DMG 4 NE STUART 42.64N 99.08W
08/08/2010 HOLT NE LAW ENFORCEMENT

LAW ENFORCEMENT REPORTED POWER OUTAGES FROM WIND DAMAGE
IN STUART. 2 LARGE SPRUCE TREES BLOWN DOWN 3.5 MILES
NORTHEAST OF STUART. 2 PICTURE WINDOWS BLOWN OUT OF HOME
BY STRONG DAMAGING WINDS AND HAIL TO THE SIZE OF A TURKEY
EGG.

0255 PM TSTM WND DMG 4 NE STUART 42.64N 99.08W
08/08/2010 HOLT NE FIRE DEPT/RESCUE

POWER LINES AND POWER POLES DOWN ALONG WITH GRAIN BINS.
FIELDS STRIPPED BY DAMAGING WINDS AND HAIL.

0305 PM TSTM WND DMG 7 N ATKINSON 42.63N 98.98W
08/08/2010 HOLT NE LAW ENFORCEMENT

6 GRAIN BINS BLOWN OVER 7 MILES NORTH OF ATKINSON.

0306 PM HAIL 3 SW ATKINSON 42.50N 99.02W
08/08/2010 M1.50 INCH HOLT NE CO-OP OBSERVER

COOPERATIVE OBSERVER REPORTED PING PONG SIZED HAIL.

0308 PM TSTM WND GST ATKINSON 42.53N 98.98W
08/08/2010 E70.00 MPH HOLT NE FIRE DEPT/RESCUE

0309 PM HAIL ATKINSON 42.53N 98.98W
08/08/2010 E1.75 INCH HOLT NE LAW ENFORCEMENT

0310 PM FUNNEL CLOUD 10 N ONEILL 42.61N 98.65W
08/08/2010 HOLT NE FIRE DEPT/RESCUE

0315 PM TSTM WND GST 13 NNW ONEILL 42.63N 98.74W
08/08/2010 E70.00 MPH HOLT NE TRAINED SPOTTER

0323 PM HAIL 7 NE ATKINSON 42.60N 98.88W
08/08/2010 M1.00 INCH HOLT NE PUBLIC

PEA TO QUARTER SIZED HAIL OCCURRED AT TIME OF REPORT
ALONG WITH ESTIMATED 60 MPH OR GREATER THUNDERSTORM WIND
GUSTS.

0328 PM HAIL NAPER 42.96N 99.10W
08/08/2010 M1.75 INCH BOYD NE LAW ENFORCEMENT

0330 PM HAIL ATKINSON 42.53N 98.98W
08/08/2010 M1.00 INCH HOLT NE FIRE DEPT/RESCUE

0346 PM HEAVY RAIN 1 S NAPER 42.95N 99.10W
08/08/2010 M2.00 INCH BOYD NE LAW ENFORCEMENT

2.00 INCHES OF MEASURED RAINFALL OCCURRED IN 20 MINUTES.

0347 PM TSTM WND GST ONEILL 42.46N 98.65W
08/08/2010 E70.00 MPH HOLT NE LAW ENFORCEMENT

OFFICER ESTIMATED 60 TO 70 MPH STRAIGHT LINE WINDS AND
VERY HEAVY RAINFALL ON THE NORTH EDGE OF ONEILL.

0356 PM FUNNEL CLOUD ONEILL 42.46N 98.65W
08/08/2010 HOLT NE LAW ENFORCEMENT

BRIEF FUNNEL CLOUD REPORTED BY OFFICER ON THE NORTHEAST
SIDE OF ONEILL.

0420 PM HEAVY RAIN 10 N ATKINSON 42.68N 98.98W
08/08/2010 M1.25 INCH HOLT NE PUBLIC

STORM TOTAL RAINFALL TOTAL THROUGH 420 PM CDT HAD BEEN
ONE AND A QUARTER INCHES.

0436 PM TSTM WND GST 6 NE O'NEILL 42.46N 98.65W
08/08/2010 E60.00 MPH HOLT NE PUBLIC

0442 PM HEAVY RAIN 6 NE O'NEILL 42.46N 98.65W
08/08/2010 M2.50 INCH HOLT NE PUBLIC


&&

$$

CARMEL

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KTBW [082157]: Preliminary Local Storm Report

NWUS52 KTBW 082157
LSRTBW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
557 PM EDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0439 PM WATER SPOUT 5 NW INDIAN ROCKS BEACH 27.94N 82.91W
08/08/2010 GMZ853 FL BROADCAST MEDIA

THERE WERE SEVERAL REPORTS OF A WATERSPOUT OFFSHORE OF
CLEARWATER BEACH AND IT WAS ALSO VISIBLE FROM A BEACH WEB
CAMERA. THE WATERSPOUT LASTED APPROXIMATELY 8 MINUTES.


&&

$$

COLSON

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KVEF [082157]: Preliminary Local Storm Report

NWUS55 KVEF 082157
LSRVEF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
257 PM PDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0251 PM TSTM WND GST PIPE SPRING NATIONAL MO 36.87N 112.73W
08/08/2010 M64 MPH MOHAVE AZ CO-OP OBSERVER

PIPE SPRINGS NM REPORTS TSTM WIND GUST TO 64 MPH AT 251
PM.


&&

$$

JGG

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MESO: Mesoscale Discussion 1616

ACUS11 KWNS 082151
SWOMCD
SPC MCD 082151
MNZ000-SDZ000-082245-

MESOSCALE DISCUSSION 1616
NWS STORM PREDICTION CENTER NORMAN OK
0451 PM CDT SUN AUG 08 2010

AREAS AFFECTED...FAR ERN SD AND CNTRL MN

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 082151Z - 082245Z

CONVECTION HAS BEEN GROWING DEEPER WITHIN THE HEART OF A MID-LEVEL
DISTURBANCE MOVING ACROSS ERN SD LATE THIS AFTERNOON...LIKELY
FAVORING WEAK LOW-LEVEL CONVERGENCE ALONG A WEAK FRONT/OUTFLOW
BOUNDARY NEAR KATY. ALTHOUGH THERE IS CONSIDERABLE DOWNSTREAM CLOUD
DEBRIS...THE ACTIVITY COULD DEVELOP UPSCALE TO THE ENE INTO SW-CNTRL
MN ALONG NRN PERIPHERY OF 3000 J/KG MLCAPE AND WEAK CINH. WOOD LAKE
PROFILER SHOWS CONSIDERABLE DEEP LAYER SHEAR THROUGH 9KM...AND
STORMS COULD ORGANIZE INTO SUPERCELLS WITH LARGE HAIL AND BOWING
LINE SEGMENTS GIVING STRONG/SEVERE WINDS UPON REACHING MATURITY.
PARTS OF THIS REGION MAY REQUIRE A WW IF ACTIVITY INCREASES
APPRECIABLY.

..RACY.. 08/08/2010

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MPX...FSD...ABR...

LAT...LON 45319748 45729310 44439312 43679806 45319748

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KFSD [082145]: Preliminary Local Storm Report...corrected

NWUS53 KFSD 082145
LSRFSD

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SIOUX FALLS SD
445 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0432 PM TSTM WND GST 2 NE WAGNER 43.10N 98.27W
08/08/2010 E60.00 MPH CHARLES MIX SD PUBLIC

ESTIMATED 60 MPH WINDS


&&

$$

LIEBL

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KLBF [082143]: Preliminary Local Storm Report

NWUS53 KLBF 082143
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
443 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0442 PM HEAVY RAIN 6 NE O'NEILL 42.46N 98.65W
08/08/2010 M2.50 INCH HOLT NE PUBLIC


&&

$$

13

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KLBF [082140]: Preliminary Local Storm Report

NWUS53 KLBF 082140
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
439 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0436 PM TSTM WND GST 6 NE O'NEILL 42.46N 98.65W
08/08/2010 E60 MPH HOLT NE PUBLIC


&&

$$

13

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KFSD [082137]: Preliminary Local Storm Report

NWUS53 KFSD 082137
LSRFSD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
437 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0432 PM TSTM WND GST 2 NE WAGNER 43.10N 98.27W
08/08/2010 E0 MPH CHARLES MIX SD PUBLIC

ESTIMATED 60 MPH WINDS


&&

$$

LIEBL

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KOAX [082136]: Preliminary Local Storm Report

NWUS53 KOAX 082136
LSROAX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
436 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0420 PM TSTM WND DMG 12 W VERDIGRE 42.60N 98.26W
08/08/2010 KNOX NE PUBLIC

LARGE TREE LIMBS BLOWN DOWN.


&&

$$

VDEWALD

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KLBF [082124]: Preliminary Local Storm Report

NWUS53 KLBF 082124
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
424 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0420 PM HEAVY RAIN 10 N ATKINSON 42.68N 98.98W
08/08/2010 M1.25 INCH HOLT NE PUBLIC

STORM TOTAL RAINFALL TOTAL THROUGH 420 PM CDT HAD BEEN
ONE AND A QUARTER INCHES.


&&

$$

CARMEL

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KLBF [082119]: Preliminary Local Storm Report

NWUS53 KLBF 082119
LSRLBF

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
419 PM CDT SUN AUG 08 2010

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0306 PM HAIL 3 SW ATKINSON 42.50N 99.02W
08/08/2010 M1.50 INCH HOLT NE CO-OP OBSERVER

COOPERATIVE OBSERVER REPORTED PING PONG SIZED HAIL.


&&

$$

CARMEL

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WATCHES: Tornado Watch Number 589

WWUS20 KWNS 082105
SEL9
SPC WW 082105
NEZ000-SDZ000-090300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 589
NWS STORM PREDICTION CENTER NORMAN OK
405 PM CDT SUN AUG 8 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

PARTS OF NORTHEASTERN NEBRASKA
SMALL PART OF SOUTHEAST SOUTH DAKOTA

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 405 PM UNTIL
1000 PM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE
MILES EAST AND WEST OF A LINE FROM 10 MILES NORTH NORTHWEST OF
YANKTON SOUTH DAKOTA TO 30 MILES WEST SOUTHWEST OF NORFOLK
NEBRASKA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 587...WW 588...

DISCUSSION...INTENSE SUPERCELLS HAVE DEVELOPED ACROSS NERN NEB IN
RESPONSE TO THE EXTREME INSTABILITY AND 40 KT OF SHEAR. HAVE
UPGRADED PARTS OF THE ORIGINAL SEVERE WATCH AS POTENTIAL FOR NOT
ONLY VERY LARGE HAIL AND DAMAGING WINDS BUT TORNADOES WILL BE
POSSIBLE WITH THE SUPERCELLS AS THEY DEVELOP SLOWLY E/SE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 29020.


...HALES

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MESO: Mesoscale Discussion 1615

ACUS11 KWNS 082104
SWOMCD
SPC MCD 082103
NEZ000-KSZ000-COZ000-082200-

MESOSCALE DISCUSSION 1615
NWS STORM PREDICTION CENTER NORMAN OK
0403 PM CDT SUN AUG 08 2010

AREAS AFFECTED...NWRN KS / SWRN NEB / FAR E-CNTRL CO

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 082103Z - 082200Z

ISOLD TSTMS MAY DEVELOP IN THE NEXT HOUR OR SO ACROSS PARTS OF SWRN
KS - SERN CO EXTENDING NEWD INTO PARTS OF N-CNTRL KS. IF STORMS CAN
DEVELOP...THEY WILL LIKELY POSE AT LEAST SOME MICROBURST POTENTIAL
AND A CORRESPONDING STRONG-SEVERE WIND GUST THREAT.

RECENT MESOANALYSIS PLACES A SURFACE LOW OVER THE MID MO RIVER
VALLEY WITH A SURFACE TROUGH EXTENDING SSWWD INTO PORTIONS OF THE
PLATTE RIVER VALLEY AND INTO SWRN KS. WEAK CYCLONIC FLOW AROUND THE
LOW LEVEL TROUGH WILL LIKELY AID IN FOCUSING TSTM INITIATION WHERE
TEMPS ALONG AND S OF THE BOUNDARY HAVE WARMED INTO THE LOWER 100S
DEG F. IN ABSENCE OF ANY APPRECIABLE FORCING MECHANISM
ALOFT...CONTINUED STRONG DIABATIC HEATING AND WEAK LOW LEVEL
CONVERGENCE MAY BE ENOUGH TO LOCALLY ERODE THE ALREADY WEAKENED CAP
AND LEAD TO INITIALLY ISOLD TSTMS ALONG THE AFOREMENTIONED BOUNDARY
AND WITHIN PRE-EXISTING CU FIELD.

LIMITED STORM ORGANIZATION IS LIKELY DUE TO WEAK CLOUD BEARING SHEAR
/20-30 KTS H5 FLOW/ WITH ANY ACTIVITY THAT CAN INITIALLY DEVELOP
OVER PARTS OF WRN KS AND ADJACENT E-CNTRL CO. HOWEVER...VERY STEEP
LOW-MID LEVEL LAPSE RATES ARE YIELDING RATHER HIGH SEVERE DOWNDRAFT
POTENTIAL /DCAPE 1500-2000 J/KG/ OVER WRN KS. LATER THIS AFTERNOON
AND INTO THE EVENING...AT LEAST ISOLD STORMS ARE EXPECTED TO DEVELOP
FARTHER N OVER SWRN NEB. HERE...COOLER TEMPS ALOFT YIELDING HIGHER
CAPE AND STRONGER SWLY UPPER FLOW WOULD IN TURN SUPPORT SOME STORM
ORGANIZATION THAT WOULD INCLUDE LINE/BOWING SEGMENTS CAPABLE OF
SEVERE WINDS/LARGE HAIL.

..SMITH.. 08/08/2010

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...GID...LBF...DDC...GLD...PUB...

LAT...LON 38050202 38140062 39389866 40659870 41149988 41130066
40370183 39620248 38430249 38050202

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